<template>
  <div class="follow-user-container">
    <van-button
      v-if="isFollowed"
      class="follow-btn"
      round
      size="small"
      @click="onFollow"
      :loading="loading"
      >已关注</van-button
    >
    <van-button
      v-else
      class="follow-btn"
      type="info"
      color="#3296fa"
      round
      size="small"
      icon="plus"
      @click="onFollow"
      :loading="loading"
      >关注</van-button
    >
  </div>
</template>

<script>
import { addFollow, deleteFollow } from "@/api/user";
export default {
  name: "FollowUser",
  props: {
    isFollowed: {
      type: Boolean,
      required: true,
    },
    userId: {
      type: [Number, String, Object],
      required:true
    }
  },
  data() {
    return {
      loading: false, // loading 状态显示与否
    };
  },
  methods: {
    // 关注和取消关注
    async onFollow() {
      this.loading = true;
      try {
        if (this.isFollowed) {
          // 已关注，取消关注
          await deleteFollow(this.userId);
        } else {
          await addFollow(this.userId);
        }
        // this.article.is_followed = !this.article.is_followed
        this.$emit("update-is_followed", !this.isFollowed);
      } catch (error) {
        let message = "操作失败，请重试";
        if (error.response && error.response.status === 400) {
          message = "你不能关注你自己！";
        }
        this.$toast(message);
      }
      this.loading = false;
    },
  },
};
</script>

<style lang="less" scoped>
</style>